Vernal Falls at peak flow in late spring, with a rainbow appearing in the spray of the falls, viewed from the Mist Trail.
Image ID: 12634
Location: Vernal Falls, Yosemite National Park, California, USA

A rainbow appears in the mist of the Lower Falls of the Yellowstone River. At 308 feet, the Lower Falls of the Yellowstone River is the tallest fall in the park. This view is from Lookout Point on the North side of the Grand Canyon of the Yellowstone. When conditions are perfect in midsummer, a midmorning rainbow briefly appears in the falls.
Image ID: 13319
Location: Grand Canyon of the Yellowstone, Yellowstone National Park, Wyoming, USA

Grand Prismatic Spring (left) and Excelsior Geyser (right). Grand Prismatic Spring displays a stunning rainbow of colors created by species of thermophilac (heat-loving) bacteria that thrive in narrow temperature ranges. The blue water in the center is too hot to support any bacterial life, while the outer orange rings are the coolest water. Grand Prismatic Spring is the largest spring in the United States and the third-largest in the world. Midway Geyser Basin.
Image ID: 13571
Location: Midway Geyser Basin, Yellowstone National Park, Wyoming, USA

Old Faithful geyser, sunrise. Reaching up to 185' in height and lasting up to 5 minutes, Old Faithful geyser is the most famous geyser in the world and the first geyser in Yellowstone to be named.
Image ID: 26939
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming, USA

Hotel del Coronado with holiday Christmas night lights, known affectionately as the Hotel Del. It was once the largest hotel in the world, and is one of the few remaining wooden Victorian beach resorts. It sits on the beach on Coronado Island, seen here with downtown San Diego in the distance. It is widely considered to be one of Americas most beautiful and classic hotels. Built in 1888, it was designated a National Historic Landmark in 1977.
Image ID: 27396
Location: San Diego, California, USA